方程式系 ワークシート

2x + 9y = 48, x = 6 → y = ____

x + y = 5, x − y = 3 → x = ____, y = ____

7x + 9y = 61, x = 1 → y = ____

x + y = 15, x − y = -3 → x = ____, y = ____

5x + 8y = 86, x = 6 → y = ____

1x + 6y = 10, x = 4 → y = ____

x + y = 16, x − y = 2 → x = ____, y = ____

1x + 1y = 9, x = 6 → y = ____

x + y = 7, x − y = 3 → x = ____, y = ____

x + y = 7, x − y = 1 → x = ____, y = ____

2x + 7y = 62, x = 3 → y = ____

x + y = 9, x − y = 7 → x = ____, y = ____

7x + 8y = 87, x = 9 → y = ____

x + y = 6, x − y = 0 → x = ____, y = ____

6x + 1y = 32, x = 4 → y = ____

x + y = 4, x − y = -2 → x = ____, y = ____

6x + 3y = 18, x = 2 → y = ____

1x + 5y = 23, x = 3 → y = ____

x + y = 15, x − y = -1 → x = ____, y = ____

x + y = 7, x − y = -3 → x = ____, y = ____